The invention relates to a material with high fracture toughness based on a vinyl ester resin and/or on an epoxide resin and to its process of manufacture.This material comprises at least one polymerized resin chosen from vinyl ester resins and epoxide resins which can be polymerized at
A material having a fracture toughness (K.sub.1c) of at least 1.2 Mpam.m.sup.1/2 as determined according to Standard ISO 13586:2000 comprises a vinyl ester and/or epoxide resin polymerizable at a temperature of less than 70.degree. C. combined with thermoplastic particles.
